| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/20/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/20/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/19/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/14/13 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 02/05/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/05/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/22/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/17/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/07/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
